Which of the following facts is best represented by the arrow pointing from C to A?

Group of answer choices

The energy stored in atmospheric carbon dioxide is conserved because it is used to create new forms of energy present in decomposed plants.

The energy stored in atmospheric carbon dioxide is conserved because it is transformed into glucose during photosynthesis.

The chemical energy present in carbon dioxide is reduced when it is converted into chemical energy in glucose.

The chemical energy present in carbon dioxide is used up completely during the burning of trees.